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Class X Chemistry: Periodic Classification of Elements
Class X Science Subject: Chemistry Periodic Classification of Elements Q. 1. How many periods and groups are present in the periodic tab…
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Class X Chemistry: Carbon and its Compounds
Class X Science Subject: Chemistry Carbon and its Compounds Q. 1. While cooking, if the bottom of the vessel is getting blackened on the…
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Class X Chemistry: Metals and Non-Metals
Class X Science Subject: Chemistry Metals and Non-Metals Q. 1. The non-metal which is liquid at room temperature is: (A) Mercury (B) B…
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Class X Chemistry: Acids, Bases and Salts
Class X Science Subject: Chemistry Acids, Bases and Salts Q. 1. Some fruits like mango, lemon, raw grapes, orange, etc., have a sour tas…
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Class X Chemistry: Chemical Reactions & Equations
Class X Science Subject: Chemistry Chemical Reactions & Equations Q. 1. In a chemical reaction between sulphuric acid and barium chl…
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